Base | Representation |
---|---|
bin | 110010110101… |
… | …1010010110000 |
3 | 1212011011020110 |
4 | 1211223102300 |
5 | 23310410442 |
6 | 2351141320 |
7 | 442361040 |
oct | 145532260 |
9 | 55134213 |
10 | 26653872 |
11 | 140554a3 |
12 | 8b14840 |
13 | 56a2c2b |
14 | 377b720 |
15 | 251769c |
hex | 196b4b0 |
26653872 has 80 divisors (see below), whose sum is σ = 82137600. Its totient is φ = 7282176.
The previous prime is 26653843. The next prime is 26653883. The reversal of 26653872 is 27835662.
It is a self number, because there is not a number n which added to its sum of digits gives 26653872.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6004 + ... + 9452.
It is an arithmetic number, because the mean of its divisors is an integer number (1026720).
Almost surely, 226653872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 26653872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41068800).
26653872 is an abundant number, since it is smaller than the sum of its proper divisors (55483728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
26653872 is a wasteful number, since it uses less digits than its factorization.
26653872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3490 (or 3484 counting only the distinct ones).
The product of its digits is 120960, while the sum is 39.
The square root of 26653872 is about 5162.7388080359. The cubic root of 26653872 is about 298.7125270599.
The spelling of 26653872 in words is "twenty-six million, six hundred fifty-three thousand, eight hundred seventy-two".
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